Main demographic, clinical and conventional MRI data from healthy controls and DM1 patients.

Values are means ± standard deviations (range or % of subjects with pathological scores relative to cut off values) or number of subjects. P values refer to Pearson chi-square or Mann-Whitney U test (see text for further details). Abbreviations: aDM1, Myotonic dystrophy type 1 with adult onset (≥20 years); DM1, Myotonic dystrophy type 1; DSS, Daytime Sleepiness Scale; KFSS, Krupp’s Fatigue Severity Scale; HC, Healthy controls; jDM1, Myotonic dystrophy type 1 with childhood onset (